Added Dimension.contains(...)
Made ReflectionUtil.
Made a generic Grid collection class.
Added Grid.position(index) method.
Added Grid.isValid( index ).
ReflectionUtil now partially uses guava.
Added Direction.all().
Dimension.cross() + Position.isAdjacent() implemented.
Grid now uses Dimension.cross(1).
Mostly implemented Minesweeper model. TODO solver.
Added libgdx to project.
Code conformity fix.
Refactored MatrixUtil + gaussianEliminate(RealMatrix).
Added doc + copyright to MatrixUtil.
More or less done with porting of solver for Minesweeper. Untested!